code: def run(self):
      from dvc.config import merge
  
      with self.config.edit(self.args.level) as conf:
          merged = self.config.load_config_to_level(self.args.level)
          merge(merged, conf)
          self._check_exists(merged)
  
          if self.args.name not in conf["remote"]:
              conf["remote"][self.args.name] = {}
          section = conf["remote"][self.args.name]
          if self.args.unset:
              section.pop(self.args.option, None)
          else:
              section[self.args.option] = self.args.value
      return 0
  
imports: from dvc.cli import formatter
  from dvc.cli.utils import append_doc_link
  from dvc.commands.config import CmdConfig
  from dvc.ui import ui
  from dvc.utils import format_link
label_desc: Use image node_id 1 for calling the CmdRemoteModify obj's underlying member method code with example usage: obj.run() and returns: int